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Fixed nullptr deref when there is no state constraint

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Artur Meski
2018-10-07 21:56:48 +01:00
parent 469ca7e46b
commit 9dc03f8abc
1 changed files with 4 additions and 1 deletions
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5
symrs.cc
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@@ -947,7 +947,10 @@ void SymRS::encodeCtxAutTrans(void)
BDD enc_src = encCtxAutState(t.src_state);
BDD enc_dst = encCtxAutStateSucc(t.dst_state);
BDD enc_ctx = compContext(encContext(t.ctx));
BDD enc_drs_state = t.state_constr->getBDDforState(this);
BDD enc_drs_state = BDD_TRUE;
if (t.state_constr != nullptr) {
enc_drs_state = t.state_constr->getBDDforState(this);
}
BDD new_trans = enc_src * enc_drs_state * enc_ctx * enc_dst;
*tr_ca += new_trans;